device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 INFO: task kworker/0:13:22143 blocked for more than 140 seconds. Not tainted 5.0.0-rc7+ #80 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/0:13 D27008 22143 2 0x80000000 Workqueue: events linkwatch_event Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 linkwatch_event+0xf/0x70 net/core/link_watch.c:236 process_one_work+0x98e/0x1790 kernel/workqueue.c:2173 worker_thread+0x98/0xe40 kernel/workqueue.c:2319 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 INFO: task kworker/0:11:16869 blocked for more than 140 seconds. Not tainted 5.0.0-rc7+ #80 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/0:11 D29648 16869 2 0x80000000 Workqueue: events switchdev_deferred_process_work kobject: 'batman_adv' (00000000a36d0f5b): kobject_uevent_env kobject: 'batman_adv' (00000000a36d0f5b): kobject_uevent_env: filter function caused the event to drop! Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 kobject: 'batman_adv' (00000000a36d0f5b): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000a36d0f5b): calling ktype release kobject: (00000000a36d0f5b): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000d2118e50): kobject_cleanup, parent 000000007b64265a schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 kobject: 'rx-0' (00000000d2118e50): auto cleanup 'remove' event kobject: 'rx-0' (00000000d2118e50): kobject_uevent_env kobject: 'rx-0' (00000000d2118e50): kobject_uevent_env: uevent_suppress caused the event to drop! mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 kobject: 'rx-0' (00000000d2118e50): auto cleanup kobject_del rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:150 kobject: 'rx-0' (00000000d2118e50): calling ktype release kobject: 'rx-0': free name process_one_work+0x98e/0x1790 kernel/workqueue.c:2173 kobject: 'tx-0' (00000000ffb06ad7): kobject_cleanup, parent 000000007b64265a worker_thread+0x98/0xe40 kernel/workqueue.c:2319 kthread+0x357/0x430 kernel/kthread.c:246 kobject: 'tx-0' (00000000ffb06ad7): auto cleanup 'remove' event ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 INFO: task syz-executor.1:19227 blocked for more than 140 seconds. kobject: 'tx-0' (00000000ffb06ad7): kobject_uevent_env kobject: 'tx-0' (00000000ffb06ad7): kobject_uevent_env: uevent_suppress caused the event to drop! Not tainted 5.0.0-rc7+ #80 kobject: 'tx-0' (00000000ffb06ad7): auto cleanup kobject_del "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D28224 19227 1 0x00000004 kobject: 'tx-0' (00000000ffb06ad7): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000007b64265a): kobject_cleanup, parent (null) Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 kobject: 'queues' (000000007b64265a): calling ktype release schedule+0x92/0x180 kernel/sched/core.c:3529 kobject: 'queues' (000000007b64265a): kset_release kobject: 'queues': free name schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 kobject: 'bond_slave_1' (00000000b47157e9): kobject_uevent_env kobject: 'bond_slave_1' (00000000b47157e9): kobject_uevent_env: uevent_suppress caused the event to drop! __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 kobject: 'batman_adv' (00000000f9b1290d): kobject_uevent_env kobject: 'batman_adv' (00000000f9b1290d): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000f9b1290d): kobject_cleanup, parent (null) mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 kobject: 'batman_adv' (00000000f9b1290d): calling ktype release kobject: (00000000f9b1290d): dynamic_kobj_release rtnl_lock net/core/rtnetlink.c:76 [inline] rtnetlink_rcv_msg+0x40a/0xb00 net/core/rtnetlink.c:5189 kobject: 'batman_adv': free name kobject: 'rx-0' (000000008ebcf417): kobject_cleanup, parent 000000006090886a kobject: 'rx-0' (000000008ebcf417): auto cleanup 'remove' event kobject: 'rx-0' (000000008ebcf417): kobject_uevent_env kobject: 'rx-0' (000000008ebcf417): kobject_uevent_env: uevent_suppress caused the event to drop! netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 kobject: 'rx-0' (000000008ebcf417): auto cleanup kobject_del kobject: 'rx-0' (000000008ebcf417): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000006c04f6d9): kobject_cleanup, parent 000000006090886a kobject: 'tx-0' (000000006c04f6d9): auto cleanup 'remove' event rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5210 kobject: 'tx-0' (000000006c04f6d9): kobject_uevent_env netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 kobject: 'tx-0' (000000006c04f6d9): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000006c04f6d9): auto cleanup kobject_del netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 kobject: 'tx-0' (000000006c04f6d9): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000006090886a): kobject_cleanup, parent (null) kobject: 'queues' (000000006090886a): calling ktype release kobject: 'queues' (000000006090886a): kset_release kobject: 'queues': free name kobject: 'veth1_to_bond' (0000000071253c37): kobject_uevent_env kobject: 'veth1_to_bond' (0000000071253c37): kobject_uevent_env: uevent_suppress caused the event to drop! sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 kobject: 'bonding_slave' (0000000081676fb2): kobject_cleanup, parent 0000000021094566 kobject: 'bonding_slave' (0000000081676fb2): does not have a release() function, it is broken and must be fixed. See Documentation/kobject.txt. __sys_sendto+0x262/0x380 net/socket.c:1808 kobject: 'bonding_slave' (0000000081676fb2): auto cleanup kobject_del kobject: 'bonding_slave': free name __do_sys_sendto net/socket.c:1820 [inline] __se_sys_sendto net/socket.c:1816 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1816 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411e93 Code: 0f 1f 80 00 00 00 00 bf 69 30 44 00 b9 08 00 00 00 48 89 ee f3 a6 74 1f bf 71 30 44 00 b9 0c 00 00 00 48 89 ee f3 a6 75 1e 48 03 40 1c 41 00 eb b3 0f 1f 44 00 00 48 c7 03 30 1c 41 00 eb a5 RSP: 002b:00007ffe13ff12d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000411e93 RDX: 0000000000000028 RSI: 0000000000a50070 RDI: 0000000000000003 RBP: 00007ffe13ff1340 R08: 00007ffe13ff12e0 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000413bc0 R14: 0000000000000000 R15: 0000000000000000 Showing all locks held in the system: bond0 (unregistering): Releasing backup interface bond_slave_0 1 lock held by khungtaskd/1040: #0: 000000009e2202cb (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:4389 1 lock held by rsyslogd/7353: #0: 0000000060e911eb (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:795 2 locks held by getty/7443: #0: 00000000a54980f5 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000d3a25723 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7444: #0: 0000000013bdca8d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000006b06dee6 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7445: #0: 000000004a17d505 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000008b92c20 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7446: #0: 00000000d32e59e3 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000004d4c1470 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7447: #0: 000000001a89cbb9 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000009517cba8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7448: #0: 0000000001e42d70 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000004704b301 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7449: #0: 0000000079b3e0ad (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000007d185d26 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by kworker/u4:2/26795: 3 locks held by kworker/0:13/22143: #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: __write_once_size include/linux/compiler.h:220 [inline] #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: process_one_work+0x87e/0x1790 kernel/workqueue.c:2144 #1: 00000000fe715e92 ((linkwatch_work).work){+.+.}, at: process_one_work+0x8b4/0x1790 kernel/workqueue.c:2148 #2: 00000000ce07a330 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 4 locks held by kworker/u4:1/31876: #0: 00000000e17caf1e ((wq_completion)"%s""netns"){+.+.}, at: __write_once_size include/linux/compiler.h:220 [inline] #0: 00000000e17caf1e ((wq_completion)"%s""netns"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 00000000e17caf1e ((wq_completion)"%s""netns"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 00000000e17caf1e ((wq_completion)"%s""netns"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 00000000e17caf1e ((wq_completion)"%s""netns"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 00000000e17caf1e ((wq_completion)"%s""netns"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 00000000e17caf1e ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x87e/0x1790 kernel/workqueue.c:2144 #1: 0000000007bfef9d (net_cleanup_work){+.+.}, at: process_one_work+0x8b4/0x1790 kernel/workqueue.c:2148 #2: 0000000030a9829c (pernet_ops_rwsem){++++}, at: cleanup_net+0xae/0x960 net/core/net_namespace.c:518 #3: 00000000ce07a330 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 3 locks held by kworker/0:11/16869: #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: __write_once_size include/linux/compiler.h:220 [inline] #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 00000000b050c8fe ((wq_completion)"events"){+.+.}, at: process_one_work+0x87e/0x1790 kernel/workqueue.c:2144 #1: 00000000d4d354f5 (deferred_process_work){+.+.}, at: process_one_work+0x8b4/0x1790 kernel/workqueue.c:2148 #2: 00000000ce07a330 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 3 locks held by kworker/0:74/17877: #0: 00000000013fa2c6 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: __write_once_size include/linux/compiler.h:220 [inline] #0: 00000000013fa2c6 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 00000000013fa2c6 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 00000000013fa2c6 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 00000000013fa2c6 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 00000000013fa2c6 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 00000000013fa2c6 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x87e/0x1790 kernel/workqueue.c:2144 #1: 000000009a44b12a ((addr_chk_work).work){+.+.}, at: process_one_work+0x8b4/0x1790 kernel/workqueue.c:2148 #2: 00000000ce07a330 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 1 lock held by syz-executor.1/19227: #0: 00000000ce07a330 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:76 [inline] #0: 00000000ce07a330 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x40a/0xb00 net/core/rtnetlink.c:5189 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1040 Comm: khungtaskd Not tainted 5.0.0-rc7+ #80 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1be/0x236 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x9df/0xee0 kernel/hung_task.c:287 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 6754 Comm: kworker/u4:5 Not tainted 5.0.0-rc7+ #80 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:__sanitizer_cov_trace_pc+0x26/0x50 kernel/kcov.c:101 Code: 90 90 90 90 55 48 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 48 09 92 7e 81 e2 00 01 1f 00 75 2b 8b 90 d8 12 00 00 <83> fa 02 75 20 48 8b 88 e0 12 00 00 8b 80 dc 12 00 00 48 8b 11 48 RSP: 0018:ffff88808aa6fc48 EFLAGS: 00000246 RAX: ffff8880957f4440 RBX: 0000000000000001 RCX: ffffffff832b7c2a RDX: 0000000000000000 RSI: ffffffff832b7c38 RDI: 0000000000000005 RBP: ffff88808aa6fc48 R08: ffff8880957f4440 R09: ffff8880957f4d30 R10: ffff8880957f4d10 R11: 0000000000000001 R12: ffffffff87a24f80 R13: 0000000000000000 R14: ffffffff87a24f40 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c42442a030 CR3: 000000009b65f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: check_preemption_disabled+0x48/0x290 lib/smp_processor_id.c:51 debug_smp_processor_id+0x1c/0x20 lib/smp_processor_id.c:56 rcu_dynticks_curr_cpu_in_eqs+0x17/0xb0 kernel/rcu/tree.c:303 rcu_is_watching+0x10/0x30 kernel/rcu/tree.c:932 rcu_read_lock include/linux/rcupdate.h:608 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:419 [inline] batadv_nc_worker+0x4cd/0x760 net/batman-adv/network-coding.c:730 process_one_work+0x98e/0x1790 kernel/workqueue.c:2173 worker_thread+0x98/0xe40 kernel/workqueue.c:2319 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 kobject: 'batman_adv' (00000000c0a3ec7b): kobject_uevent_env net_ratelimit: 12111 callbacks suppressed bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:ff:00:00:00, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:00:00:ff:00:00:00, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:af:aa:fa:3f:dd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:ff:00:00:00, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:00:00:ff:00:00:00, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:af:aa:fa:3f:dd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:ff:00:00:00, vlan:0)